Blackberry PRD-10459-003 Administration Guide - Page 406

Administration Guide Troubleshooting: BlackBerry Administration Service pools 6. In the Number of Pings field, type the number of times that you want to ping the IP address. 7. On the menu, click Send ping. Look up a computer name to resolve an IP address Using a BlackBerry® device, a user can look up a computer name in the DNS server to resolve network or domain names and IP addresses. 1. On the BlackBerry device, on the Home screen, click Manage connections. 2. Click Wi-Fi Options. 3. Press the Menu key and click Wi-Fi Tools > DNS Lookup. 4. In the Host field, type a name or an IP address that you want to look up. 5. Press the Menu key and click DNS Lookup. 6. Press the Menu key and click Send ping. Troubleshooting: BlackBerry Administration Service pools BlackBerry Administration Service instances located in different network segments are not connecting to each other Possible cause If BlackBerry® Administration Service instances are located in different network segments that are separated by a firewall, the firewall can block the dynamic ports on the BlackBerry Administration Service. Possible solution Perform the following actions: 1. Make sure that you configured the BlackBerry Administration Service instances to communicate across network subnets using TCP with TCP ping, instead of multicast UDP. 2. On each computer that hosts a BlackBerry Administration Service instance, navigate to :\Program Files \Research in Motion\BlackBerry Enterprise Server\BAS\server\default\conf. 3. In a text editor, open service-port-bindings.xml. 4. Move the line xyz that is located inside the comment tags outside of the comment tags. 5. Change xyz to an available port, for example port 14458. 6. Add the port that you configured in step 5 to the firewall. 404